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ZyXEL X-550 User’s Guide
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3.2.8 ADVANCED - MAC Filter
The MAC address filter section can be used to filter network access by machines based on the unique MAC
addresses of their network adapter(s). It is most useful to prevent unauthorized wireless devices from
connecting to your network. A MAC address is a unique ID assigned by the manufacturer of the network
adapter.
Figure 3-15 ADVANCED – MAC Filter
ENABLE MAC Address Filter:
When this is enabled, computers are granted or denied network access depending on the mode of the filter.
Configuration of this feature incorrectly can prevent any machine from accessing the
network. In such a situation, you can regain access by activating the factory defaults
button on the physical router itself.
FILTER SETTINGS
Mode:
• Only Allow Listed Machines – Only computers with MAC addresses listed in the MAC
Address List are granted network access.
• Only Deny Listed Machines – Any computer with a MAC address listed in the MAC Address List is
refused access into the network.
Filter Wireless Clients:
When this is selected, the MAC address filters will be applied to wireless network clients.
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